Inmates cannot accept incoming calls, they have to initiate the call. Local calls are the cheapest - long distance and collect calls can run $15 for 15 minutes, people use InmateAid's Discount Phone Service to get local numbers making the calls from the jail at the cheapest rate.
https://www.inmateaid.com/ask-the-inmate/what-do-you-do-if-you-live-in-another-state-that-your-person-in-jail-is-in-how-do-i-get-a-phone-call-to-my-daughter-who-just-got-arrested.amp#answer
Accepted Answer Date Created: July 05,2015